projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.
Whale - Video Q&A with influencers and experts 🐳
Magic Music Visuals - Fully-customizable and highly responsive visuals for live and recorded audio & MIDI.
Fishoal - Fishoal is the next-generation Q&A platform that helps anyone who needs help to find validated answers by connecting people to certified experts that can help.
Kauna - Kauna is a music visualizer. Kauna renders any sound reproduction in system.
Questionwave - The easiest way to take questions from your audience.